This paper introduces the TableMouse, a new cursor manipulation interaction technology for tabletop computing, specifically designed to support multiple users operating on large horizontal displays. The TableMouse is a low-cost absolute positioning device utilising visually-tracked infrared light emitting diodes for button state, 3D position, 1D orientation, and unique identification information. The supporting software infrastructure is designed to support up to 16 TableMouse devices simultaneously, each with an individual system cursor. This paper introduces the device and software infrastructure and presents two applications exposing its functionality. A formal benchmarking was performed against the traditional mouse for its performance and accuracy.
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